Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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Backup Firefox profile in Windows 10

BobLinderman replied
BobLinderman

When I try to backup my Firefox profile to a remote hard drive using SyncBackFree, i get an error message that access to the logins.json file is denied. SyncBackFree is trying to overwrite the previously stored version with the current version. No other file in the Firefox profile is similarly affected. How do I fix this problem?

When I try to backup my Firefox profile to a remote hard drive using SyncBackFree, i get an error message that access to the logins.json file is denied. SyncBackFree is trying to overwrite the previously stored version with the current version. No other file in the Firefox profile is similarly affected. How do I fix this problem?

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選擇的解決方法

Problem resolved when I deleted the older of two saved Firefox profiles.